The electricity shows generally high consumption year round:
* LED or other low-energy bulbs are fairly small-fry, surely?
* How many computers and routers do you have on at home?
The gas - heating? - is the biggy, though:
* Generally,heating or cooling - depending on climate - is the major impact
* If you live somewhere fairly cold in the winter - you spike in Jan/Feb - you could simply go into the attic and unroll 20cm thick layer of fiberglass insulation out; your heating bill will likely plummet

For the last year or so, I've been getting these two page energy assessment reports in the mail from Pacific Gas & Electric, our California utility company, comparing our household's energy use to those of the houses around us. Here's the relevant excerpts from the latest report; click throug...

The video matching is just an extension of audio matching, as perfected by Shazam, who sold the patent to BMI (RAII fame).
There was someone who implemented it recently and got a cease and desist; its a good story and a wow tech: http://www.redcode.nl/blog/2010/06/creating-shazam-in-java/

In YouTube: The Big Copyright Lie, I described my love-hate relationship with YouTube, at least as it existed in way back in the dark ages of 2007. Now think back through all the videos you've watched on YouTube. How many of them contained any original content? It's perhaps the ultimate case...